Hair-treatment preparation for improved wet combability

摘要

Hair-treatment preparations containing as additive at least one surface-active phosphonic acid corresponding to general formula I, II or III below <IMAGE> (I) <IMAGE> (II) <IMAGE> (III) in which R1 represents a C5-C21 alkyl, R2 represents hydrogen or -PO3H2, and R3 represents hydrogen, hydroxyl, or, if R2 is -PO3H2, -NH2, and R4 represents hydrogen or a lower alkyl group containing from 1 to 4 carbon atoms, or a water-soluble salt thereof, improved the wet combability of hair and reduce its tendency to develop static charges. Octane-1-phosphonic acid, decane-1-phosphonic acid and dodecane-1-phosphonic acid or their salts are particularly effective. The phophonic acids are used in quantities of from 0.05 to 10% by weight, and preferably in quantities of from 0.1 to 2.0% by weight together with anionic tensides.